Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TSUNAKAWA TAKAMI,A METHOD OF IMPROVING THE TOMOGRAPHIC IMAGE,Japanese Journal of Radiological Technology,03694305,Japanese Society of Radiological Technology,1955,11,3,100-102,https://cir.nii.ac.jp/crid/1390282681338092544,https://doi.org/10.6009/jjrt.kj00001365484